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Old 03-07-2003, 08:45 AM
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Post twin-turbo or supercharger?

Who makes the best twin turbo set-up for SB Chev? What about low profile belt driven superchargers?

I'm thinking about a little boost for the Vette but I want it to fit under the stock hood...kinda sleepy like...

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Old 03-07-2003, 12:40 PM
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not so sure about keeping it under the hood but I've heard nothing but good replys about the Weiand 6-71 blower.
Fireschenie
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Old 03-07-2003, 02:31 PM
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You can usually run a 144 or 177 supercharger under the hood. They make about 100 quick extra power, but with a cam change to a blower grind and some head work, you can hit higher numbers. Chack into Weiand and Holley. HG
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Old 03-07-2003, 02:56 PM
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Gale Banks makes turbo kits.

As for the super, B&M centrifugal supercharger comes to mind. They mount low enoughto keep the stock appearance.

Chris
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Old 03-07-2003, 03:44 PM
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I have had good luck with the weiand 144 blower on a few different 355's.On a 9:1 compression 355 that cam make close to 1 hp per inch the blower can add about 150 hp when used with a larger carb and big tube headers.On a very mild stock type engine you can get more power from the small blower,and with a larger one you will get less gain.anything over about 8psi of boost with this setup overheats the air and doesnt make much extra power.8 psi is good for about 50% more power on most 1 hp per inch engines,so do the math.Good luck.
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Old 03-07-2003, 06:33 PM
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The majority of the time, I'd go with turbos over a supercharger. You'll get better fuel economy, perhaps longer life, and even more power if you set it up carefully.

Obviously though, turbo's are much harder to install than a supercharger, especially since a kit is often available to bolt a blower right up (especially you Chevy guys, GRRR).

I'd take a look at both <a href="http://www.grapeaperacing.com" target="_blank">www.grapeaperacing.com</a> and <a href="http://www.toohighpsi.com" target="_blank">www.toohighpsi.com</a> -- Grape Ape has the meanest streetable Camaro I've seen, and tohighpsi is my hero when it comes to budget performance and ingenuity, he's ran mid 10s in a car with not much more than $1000 in speed parts.
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